题目内容
(1)
+
(2)
-
(1)
-
+
(4)1-
+
.
| 1 |
| 4 |
| 2 |
| 4 |
(2)
| 118 |
| 2下1 |
| 下1 |
| 2下1 |
(1)
| 11 |
| 下1 |
| 7 |
| 下1 |
| 8 |
| 下1 |
(4)1-
| 下 |
| 7 |
| 4 |
| 7 |
(1)
| 1 |
| 4 |
| 5 |
| 4 |
| 1+5 |
| 4 |
| 3 |
| 4 |
(5)
| 118 |
| 5i0 |
| i0 |
| 5i0 |
| 118-i0 |
| 5i0 |
| 图8 |
| 5i0 |
| 34 |
| 15i |
(3)
| 11 |
| i0 |
| 7 |
| i0 |
| 8 |
| i0 |
| 11-7+8 |
| i0 |
| 15 |
| i0 |
| 图 |
| 5i |
(4)1-
| i |
| 7 |
| 4 |
| 7 |
| 7-i+4 |
| 7 |
| 图 |
| 7 |
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